Finding the Fourth Proportional to 341,725.80, 512,588.70 and 141,979.80
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Solution
The fourth proportional to 341,725.80, 512,588.70 and 141,979.80 is: 212,969.70
Step by Step Solution
- Step 1: Write the proportion equation
341,725.80 : 512,588.70 = 141,979.80 : x - Step 2: Convert to fraction form
341,725.80/512,588.70 = 141,979.80/x - Step 3: Cross multiply
341,725.80x = 512,588.70 × 141,979.80 - Step 4: Simplify right side
341,725.80x = 72,777,241,108.26 - Step 5: Solve for x
x = 72,777,241,108.26/341,725.80 - Step 6: Final answer
x = 212,969.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.